/Engine/Plugins/Editor/UVEditor/Source/UVEditor/Public/UVEditorModeUILayer.h
Interchange layer to manage built in tab locations within the editor's layout.
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UUVEditorUISubsystem : public [UAssetEditorUISubsystem](API\Editor\EditorFramework\Toolkits\UAssetEditorUISubsystem)